package com.sky.mapper;

import com.sky.entity.User;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Options;
import org.apache.ibatis.annotations.Select;

import java.util.Map;

@Mapper
public interface UserMapper {

    /**
     * 根据openid查询user
     *
     * @param openid
     * @return
     */
    @Select("select * from user where openid = #{openid}")
    User selectUserByOpenid(String openid);


    /**
     * 新增用户，并回填id
     * @param user
     */
    @Options(useGeneratedKeys = true,keyProperty = "id")
    @Insert("insert into user(openid , name, create_time) values (#{openid} ,#{name} ,#{createTime})")
    void insert(User user);

    /**
     * 根据userId查询用户
     * @param userId
     * @return
     */
    @Select("select * from user where id = #{userId}")
    User getById(Long userId);


    Integer countByMap(Map map);
}
